public class ClassRoom {
     int table;
     int chair;
    String roomInclude;
    private  int LED;
    private int score;
    void sum_table_chair(){
        int sum;
        sum=this.chair+this.table;
        System.out.printf("桌子和椅子共有有%d张\n",sum);
    }
    void class_score(){
        System.out.printf("班级文明打分为%d\n",score);
    }
    void class_blackboard(int blackboardnum){
        System.out.printf("教室里有%d个黑板\n",blackboardnum);
    }
    ClassRoom(int a){
        this.score=a;
    }
}
